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CVE-2021-24229— Patreon WordPress < 1.7.2 - Reflected XSS on patreon_save_attachment_patreon_level AJAX action

Quick assessment

Affected
Unknown Patreon WordPress
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress是Wordpress基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress 插件是WordPress开源的一个应用插件。 Patreon WordPress插件 1.7.2版本之前存在跨站脚本漏洞，该漏洞源于patreon WordPress插件的AJAX中的一个参数在显示给用户之前没有被清除。

AI Predicted 6.1 Difficulty: Moderate EPSS 1.76% · P77
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I. Basic Information for CVE-2021-24229

Vulnerability Information
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Vulnerability Title
Patreon WordPress < 1.7.2 - Reflected XSS on patreon_save_attachment_patreon_level AJAX action
Source: CVE Program / CVE List V5
Vulnerability Description
The Jetpack Scan team identified a Reflected Cross-Site Scripting via the patreon_save_attachment_patreon_level AJAX action of the Patreon WordPress plugin before 1.7.2. This AJAX hook is used to update the pledge level required by Patreon subscribers to access a given attachment. This action is accessible for user accounts with the ‘manage_options’ privilege (i.e.., only administrators). Unfortunately, one of the parameters used in this AJAX endpoint is not sanitized before being printed back to the user, so the risk it represents is the same as the previous XSS vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress插件 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是Wordpress基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress 插件是WordPress开源的一个应用插件。 Patreon WordPress插件 1.7.2版本之前存在跨站脚本漏洞，该漏洞源于patreon WordPress插件的AJAX中的一个参数在显示给用户之前没有被清除。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Patreon WordPress 1.7.2 ~ 1.7.2 -

II. Public POCs for CVE-2021-24229

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III. Intelligence Information for CVE-2021-24229

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Vendor Advisories for CVE-2021-24229 (1)

Other References for CVE-2021-24229 (1)

Same Patch Batch · Unknown · 2021-04-12 · 14 CVEs total

CVE-2021-24231 Patreon WordPress < 1.7.0 - CSRF to Disconnect Sites From Patreon
CVE-2021-24230 Patreon WordPress < 1.7.0 - CSRF to Overwrite/Create User Meta
CVE-2021-24228 Patreon WordPress < 1.7.2 - Reflected XSS on Login Form
CVE-2021-24227 Patreon WordPress < 1.7.0 - Unauthenticated Local File Disclosure
CVE-2021-24226 AccessAlly < 3.5.7 - $_SERVER Superglobal Leakage
CVE-2021-24225 Advanced Booking Calendar < 1.6.7 - Authenticated Reflected Cross-Site Scripting (XSS)
CVE-2021-24224 Easy Form Builder <= 1.0 - Authenticated Arbitrary File Upload
CVE-2021-24223 N5 Upload Form <= 1.0 - Unauthenticated Arbitrary File Upload to RCE
CVE-2021-24222 WP-Curricul Vitea Free <= 6.3 - Unauthenticated Arbitrary File Upload to RCE
CVE-2021-24221 Quiz And Survey Master < 7.1.12 - Authenticated SQL injection via shortcode
CVE-2021-24218 Facebook for WordPress 3.0.0-3.0.3 - CSRF to Stored XSS and Settings Deletion
CVE-2021-24217 Facebook for WordPress < 3.0.0 - PHP Object Injection with POP Chain
CVE-2021-24215 Controlled Admin Access < 1.5.2 - Improper Access Control & Privilege Escalation

IV. Related Vulnerabilities

Same product: Patreon WordPress
Same vendor: Unknown
Same weakness: CWE-79

V. Comments for CVE-2021-24229

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